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Cross Linked Polyethylene (PEX) is a type of polyethylene that has undergone a chemical process to create cross-links between the polymer chains. This enhances its thermal and chemical resistance, making it suitable for a variety of applications. PEX is typically used in plumbing, heating, and electrical insulation due to its flexibility, durability, and resistance to high temperatures and pressures.
| Material | Cross linked polyethylene |
| Temperature range | -40°C to 95°C |
| Density | 0.90 to 0.96 g/cm³ |
| Tensile strength | Up to 25 MPa |
| Flexural modulus | 300 to 700 MPa |
| Color | Typically available in various colors |
When choosing Cross Linked Polyethylene, consider the specific application requirements such as temperature and pressure ratings. It is important to specify the desired density, color, and any necessary certifications for plumbing or medical applications. Additionally, buyers should determine the quantity needed for their project, as this can affect pricing and availability.
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Its enhanced thermal and chemical resistance compared to standard polyethylene.
Yes, PEX is suitable for hot water applications due to its high-temperature resistance.
PEX is not widely recyclable, but some facilities may accept it.
Look for certifications such as ASTM F876 and NSF/ANSI 61 for plumbing applications.
PEX is lighter, easier to install, and resistant to corrosion compared to copper.
PEX is available in various diameters, typically from 3/8 inch to 2 inches.